CY7C4255-25AC Cypress Semiconductor Corp, CY7C4255-25AC Datasheet - Page 4

• Manufacturer Part Number: CY7C4255-25AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C4255-25AC

• Density: 128Kb
• Word Size: 18b
• Sync/async: Synchronous
• Expandable: Yes
• Package Type: TQFP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature ................................ –65°C to +150°C
Ambient Temperature with Power Applied . –55°C to +125°C
Supply Voltage to Ground Potential ............... –0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State ............................................... –0.5V to +7.0V
DC Input Voltage
Electrical Characteristics
Capacitance
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
V
V
V
V
I
I
I
I
I
C
C
Parameter
IX
OZL
CC1
CC2
OZH
OH
OL
IH
IL
IN
OUT
[4]
T
See the last page of this specification for Group A subgroup testing information.
The V
previous device or V
The V
previous device or V
Input signals switch from 0V to 3V with a rise/fall time of less than 3 ns, clocks and clock enables switch at 20 MHz, while data inputs switch at 10 MHz. Outputs
are unloaded. I
All inputs = V
Tested initially and after any design changes that may affect these parameters.
Tested initially and after any process changes that may affect these parameters.
[3]
A
[5]
[6]
is the “Instant On” case temperature.
Parameter
IH
IH
and V
and V
CC
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Leakage
Current
Output OFF,
High Z Current
Active Power Supply
Current
Average Standby
Current
IL
IL
[7, 8]
CC
– 0.2V, except RCLK and WCLK (which are switching at frequency = 20 MHz), and FL/RT which is at V
specifications apply for all inputs except WXI, RXI. The WXI, RXI pin is not a TTL input. It is connected to either RXO, WXO of the
specifications apply for all inputs except WXI, RXI. The WXI, RXI pin is not a TTL input. It is connected to either RXO, WXO of the
1(typical) = (25mA+(freq –20 MHz)*(1.0 mA/MHz))
Description
SS
SS.
.
Input Capacitance
Output Capacitance
Over the Operating Range
Description
V
I
V
I
V
OE > V
V
OH
OL
CC
CC
CC
SS
Test Conditions
0.5V to V
= 8.0 mA
= –2.0 mA
< V
= Max.
= Min.,
= Min.,
IH
O
,
< V
CC
CC
Com’l
Ind
Com’l
Ind
+0.5V
T
V
A
CC
= 25°C, f = 1 MHz,
[2]
7C42X5–10
Min.
–0.5
4
–10
–10
2.4
2.0
= 5.0V
Test Conditions
Output Current into Outputs (LOW)............................. 20 mA
Static Discharge Voltage ........................................... >2001V
(per MIL–STD–883, Method 3015)
Latch-Up Current ..................................................... >200 mA
Operating Range
Commercial
Industrial
Max.
V
+10
+10
0.4
0.8
45
50
10
15
Range
CC
[1]
7C42X5–15
Min.
–0.5
–10
–10
2.4
2.0
Max.
V
+10
+10
0.4
0.8
45
50
10
15
CC
–40°C to +85°C
0°C to +70°C
Temperature
Ambient
7C42X5–25
Min.
–0.5
–10
–10
2.4
2.0
Max.
Max.
V
5
7
+10
+10
0.4
0.8
45
50
10
15
ss
CC
. All outputs are unloaded.
7C42X5– 35
Min.
–0.5
–10
–10
2.4
2.0
CY7C4255
CY7C4265
5V
5V
Max.
V
+10
+10
0.4
0.8
45
50
10
15
CC
V
Unit
pF
pF
CC
10%
10%
Unit
mA
mA
mA
mA
V
V
V
V
A
A